Patent · US Active

Toner, toner accommodating unit, and image forming apparatus

US10859932B2 · kind B2 · utility

1Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 2015
Grant dateDec 8, 2020
Priority date
Expiry dateOct 8, 2035

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/08797
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner, including: a polyester resin, wherein the polyester resin has a structure represented by any one of formulas 1) to 3) below: 1) R1-(NHCONH-R2)n-, 2) R1-(NHCOO-R2)n-, and 3) R1-(OCONH-R2)n-, where n is 3 or more, R1 represents an aromatic organic group or an aliphatic organic group, and R2 represents a group derived from a resin that is polyester formed of polycarboxylic acid, polyol, or both thereof; or that is a modified polyester obtained by modifying polyester with isocyanate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.